def test_update_enrollment_attributes(self):
# Add fake course enrollment information to the fake data API
fake_data_api.add_course(
self.COURSE_ID,
course_modes=['honor', 'verified', 'audit', 'credit'])
# Enroll in the course and verify the URL we get sent to
result = api.add_enrollment(self.USERNAME,
self.COURSE_ID,
mode='audit')
get_result = api.get_enrollment(self.USERNAME, self.COURSE_ID)
self.assertEquals(result, get_result)
enrollment_attributes = [{
"namespace": "credit",
"name": "provider_id",
"value": "hogwarts",
}]
result = api.update_enrollment(
self.USERNAME,
self.COURSE_ID,
mode='credit',
enrollment_attributes=enrollment_attributes)
self.assertEquals('credit', result['mode'])
attributes = api.get_enrollment_attributes(self.USERNAME,
self.COURSE_ID)
self.assertEquals(enrollment_attributes[0], attributes[0])
def get_course_enrollment(request, course_id=None):
"""Create, read, or update enrollment information for a student.
HTTP Endpoint for all CRUD operations for a student course enrollment. Allows creation, reading, and
updates of the current enrollment for a particular course.
Args:
request (Request): To get current course enrollment information, a GET request will return
information for the current user and the specified course. A POST request will create a
new course enrollment for the current user. If 'mode' or 'deactivate' are found in the
POST parameters, the mode can be modified, or the enrollment can be deactivated.
course_id (str): URI element specifying the course location. Enrollment information will be
returned, created, or updated for this particular course.
Return:
A JSON serialized representation of the course enrollment. If this is a new or modified enrollment,
the returned enrollment will reflect all changes.
"""
try:
if course_id and request.method == 'POST':
return Response(
api.add_enrollment(request.user.username, course_id))
else:
return Response(
api.get_enrollment(request.user.username, course_id))
except api.CourseModeNotFoundError as error:
return Response(status=status.HTTP_400_BAD_REQUEST, data=error.data)
except NonExistentCourseError:
return Response(status=status.HTTP_400_BAD_REQUEST)
except api.EnrollmentNotFoundError:
return Response(status=status.HTTP_400_BAD_REQUEST)
except CourseEnrollmentException:
return Response(status=status.HTTP_400_BAD_REQUEST)
def get_enrollment(*args, **kwargs):
"""
Return enrollment of given user in the course provided.
Example:
>>>get_enrollment(
{
"username": "******",
"course_id": "course-v1-edX-DemoX-1T2015"
}
)
"""
errors = []
course_id = kwargs.pop('course_id', None)
username = kwargs.get('username', None)
try:
LOG.info('Getting enrollment information of student: %s course: %s',
username, course_id)
enrollment = api.get_enrollment(username, course_id)
if not enrollment:
errors.append('No enrollment found for user:`{}`'.format(username))
return None, errors
except InvalidKeyError:
errors.append('No course found for course_id `{}`'.format(course_id))
return None, errors
enrollment['enrollment_attributes'] = api.get_enrollment_attributes(
username, course_id)
enrollment['course_id'] = course_id
return enrollment, errors
def post(self, request):
email = request.DATA.get('email')
course_id = request.DATA.get('course_id')
mode = request.DATA.get('mode', CourseMode.HONOR)
if not course_id:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={"message": u"Course ID must be specified to create a new enrollment."}
)
try:
course_id = CourseKey.from_string(course_id)
except InvalidKeyError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={"message": u"No course '{course_id}' found for enrollment".format(course_id=course_id)}
)
if not email:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={"message": u"User email must be specified to create a new enrollment."}
)
try:
user = User.objects.get(email=email)
except ObjectDoesNotExist:
return Response(
status=status.HTTP_406_NOT_ACCEPTABLE,
data={
'message': u'The user {} does not exist.'.format(email)
}
)
try:
enrollment = api.get_enrollment(user.username, unicode(course_id))
if not enrollment:
api.add_enrollment(user.username, unicode(course_id), mode=mode)
return Response(status=status.HTTP_201_CREATED)
return Response(status=status.HTTP_200_OK)
except CourseNotFoundError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": u"No course '{course_id}' found for enrollment".format(course_id=course_id)
}
)
except CourseEnrollmentExistsError as error:
return Response(data=error.enrollment)
except CourseEnrollmentError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": (
u"An error occurred while creating the new course enrollment for user "
u"'{username}' in course '{course_id}'"
).format(username=user.username, course_id=course_id)
}
)
def get(self, request, course_id=None, user=None):
"""Create, read, or update enrollment information for a user.
HTTP Endpoint for all CRUD operations for a user course enrollment. Allows creation, reading, and
updates of the current enrollment for a particular course.
Args:
request (Request): To get current course enrollment information, a GET request will return
information for the current user and the specified course.
course_id (str): URI element specifying the course location. Enrollment information will be
returned, created, or updated for this particular course.
user (str): The user username associated with this enrollment request.
Return:
A JSON serialized representation of the course enrollment.
"""
if request.user.username != user:
# Return a 404 instead of a 403 (Unauthorized). If one user is looking up
# other users, do not let them deduce the existence of an enrollment.
return Response(status=status.HTTP_404_NOT_FOUND)
try:
return Response(api.get_enrollment(user, course_id))
except CourseEnrollmentError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": (
u"An error occurred while retrieving enrollments for user "
u"'{user}' in course '{course_id}'"
).format(user=user, course_id=course_id)
}
)
def get_course_enrollment(request, course_id=None):
"""Create, read, or update enrollment information for a student.
HTTP Endpoint for all CRUD operations for a student course enrollment. Allows creation, reading, and
updates of the current enrollment for a particular course.
Args:
request (Request): To get current course enrollment information, a GET request will return
information for the current user and the specified course. A POST request will create a
new course enrollment for the current user. If 'mode' or 'deactivate' are found in the
POST parameters, the mode can be modified, or the enrollment can be deactivated.
course_id (str): URI element specifying the course location. Enrollment information will be
returned, created, or updated for this particular course.
Return:
A JSON serialized representation of the course enrollment. If this is a new or modified enrollment,
the returned enrollment will reflect all changes.
"""
try:
if course_id and request.method == 'POST':
return Response(api.add_enrollment(request.user.username, course_id))
else:
return Response(api.get_enrollment(request.user.username, course_id))
except api.CourseModeNotFoundError as error:
return Response(status=status.HTTP_400_BAD_REQUEST, data=error.data)
except NonExistentCourseError:
return Response(status=status.HTTP_400_BAD_REQUEST)
except api.EnrollmentNotFoundError:
return Response(status=status.HTTP_400_BAD_REQUEST)
except CourseEnrollmentException:
return Response(status=status.HTTP_400_BAD_REQUEST)
def assert_add_modes_with_enrollment(self, enrollment_mode):
""" Dry method for adding fake course enrollment information to fake
data API and enroll the student in the course. """
fake_data_api.add_course(self.COURSE_ID, course_modes=['honor', 'verified', 'audit'])
result = api.add_enrollment(self.USERNAME, self.COURSE_ID, mode=enrollment_mode)
get_result = api.get_enrollment(self.USERNAME, self.COURSE_ID)
self.assertEquals(result, get_result)
# set the course verify mode as expire.
fake_data_api.set_expired_mode(self.COURSE_ID)
def test_existing_inactive_enrollment(self):
"""
If the user has an inactive enrollment for the course, the view should behave as if the
user has no enrollment.
"""
# Create an inactive enrollment
CourseEnrollment.enroll(self.user, self.course.id)
CourseEnrollment.unenroll(self.user, self.course.id, True)
self.assertFalse(CourseEnrollment.is_enrolled(self.user, self.course.id))
self.assertIsNotNone(get_enrollment(self.user.username, unicode(self.course.id)))
def test_existing_inactive_enrollment(self):
"""
If the user has an inactive enrollment for the course, the view should behave as if the
user has no enrollment.
"""
# Create an inactive enrollment
CourseEnrollment.enroll(self.user, self.course.id)
CourseEnrollment.unenroll(self.user, self.course.id, True)
self.assertFalse(CourseEnrollment.is_enrolled(self.user, self.course.id))
self.assertIsNotNone(get_enrollment(self.user.username, unicode(self.course.id)))
def assert_add_modes_with_enrollment(self, enrollment_mode):
""" Dry method for adding fake course enrollment information to fake
data API and enroll the student in the course. """
fake_data_api.add_course(self.COURSE_ID,
course_modes=['honor', 'verified', 'audit'])
result = api.add_enrollment(self.USERNAME,
self.COURSE_ID,
mode=enrollment_mode)
get_result = api.get_enrollment(self.USERNAME, self.COURSE_ID)
self.assertEquals(result, get_result)
# set the course verify mode as expire.
fake_data_api.set_expired_mode(self.COURSE_ID)
def test_enroll(self, course_modes, mode):
# Add a fake course enrollment information to the fake data API
fake_data_api.add_course(self.COURSE_ID, course_modes=course_modes)
# Enroll in the course and verify the URL we get sent to
result = api.add_enrollment(self.USERNAME, self.COURSE_ID, mode=mode)
self.assertIsNotNone(result)
self.assertEquals(result['student'], self.USERNAME)
self.assertEquals(result['course']['course_id'], self.COURSE_ID)
self.assertEquals(result['mode'], mode)
get_result = api.get_enrollment(self.USERNAME, self.COURSE_ID)
self.assertEquals(result, get_result)
def test_existing_inactive_enrollment(self):
"""
If the user has an inactive enrollment for the course, the view should behave as if the
user has no enrollment.
"""
# Create an inactive enrollment
CourseEnrollment.enroll(self.user, self.course.id)
CourseEnrollment.unenroll(self.user, self.course.id, True)
self.assertFalse(CourseEnrollment.is_enrolled(self.user, self.course.id))
self.assertIsNotNone(get_enrollment(self.user.username, unicode(self.course.id)))
with mock_create_basket():
self._test_successful_ecommerce_api_call(False)
def test_existing_inactive_enrollment(self):
"""
If the user has an inactive enrollment for the course, the view should behave as if the
user has no enrollment.
"""
# Create an inactive enrollment
CourseEnrollment.enroll(self.user, self.course.id)
CourseEnrollment.unenroll(self.user, self.course.id, True)
self.assertFalse(CourseEnrollment.is_enrolled(self.user, self.course.id))
self.assertIsNotNone(get_enrollment(self.user.username, unicode(self.course.id)))
with mock_create_basket():
self._test_successful_ecommerce_api_call(False)
def test_update_enrollment(self):
# Add fake course enrollment information to the fake data API
fake_data_api.add_course(self.COURSE_ID, course_modes=['honor', 'verified', 'audit'])
# Enroll in the course and verify the URL we get sent to
result = api.add_enrollment(self.USERNAME, self.COURSE_ID, mode='audit')
get_result = api.get_enrollment(self.USERNAME, self.COURSE_ID)
self.assertEquals(result, get_result)
result = api.update_enrollment(self.USERNAME, self.COURSE_ID, mode='honor')
self.assertEquals('honor', result['mode'])
result = api.update_enrollment(self.USERNAME, self.COURSE_ID, mode='verified')
self.assertEquals('verified', result['mode'])
def test_enroll_user(self):
command_args = [
'--course',
self.course_id,
'--email',
self.user_email,
]
call_command('enroll_user_in_course', *command_args)
user_enroll = get_enrollment(self.username, self.course_id)
self.assertTrue(user_enroll['is_active'])
def test_enroll_user(self):
command_args = [
'--course', self.course_id,
'--email', self.user_email,
]
call_command(
'enroll_user_in_course',
*command_args
)
user_enroll = get_enrollment(self.username, self.course_id)
self.assertTrue(user_enroll['is_active'])
def enroll_user_in_review_course_if_needed(user, current_course):
'''
If the user is not enrolled in the review version of the course,
they are unable to see any of the problems. This ensures they
are enrolled so they can see review problems.
Parameters:
user (User): the current user interacting with the review XBlock
current_course (CourseLocator): The course the learner is currently in
'''
enrollment_course_id = ENROLLMENT_COURSE_MAPPING[str(current_course)]
enrollment_status = get_enrollment(user.username, enrollment_course_id)
if not enrollment_status:
add_enrollment(user.username, enrollment_course_id)
elif not enrollment_status['is_active']:
update_enrollment(user.username, enrollment_course_id, is_active=True)
def test_enroll_user_twice(self):
"""
Ensures the command is idempotent.
"""
command_args = [
'--course',
self.course_id,
'--email',
self.user_email,
]
for _ in range(2):
call_command('enroll_user_in_course', *command_args)
# Second run does not impact the first run (i.e., the
# user is still enrolled, no exception was raised, etc)
user_enroll = get_enrollment(self.username, self.course_id)
self.assertTrue(user_enroll['is_active'])
def test_enroll_user_twice(self):
"""
Ensures the command is idempotent.
"""
command_args = [
'--course', self.course_id,
'--email', self.user_email,
]
for _ in range(2):
call_command(
'enroll_user_in_course',
*command_args
)
# Second run does not impact the first run (i.e., the
# user is still enrolled, no exception was raised, etc)
user_enroll = get_enrollment(self.username, self.course_id)
self.assertTrue(user_enroll['is_active'])
def test_update_enrollment_attributes(self):
# Add fake course enrollment information to the fake data API
fake_data_api.add_course(self.COURSE_ID, course_modes=['honor', 'verified', 'audit', 'credit'])
# Enroll in the course and verify the URL we get sent to
result = api.add_enrollment(self.USERNAME, self.COURSE_ID, mode='audit')
get_result = api.get_enrollment(self.USERNAME, self.COURSE_ID)
self.assertEquals(result, get_result)
enrollment_attributes = [
{
"namespace": "credit",
"name": "provider_id",
"value": "hogwarts",
}
]
result = api.update_enrollment(
self.USERNAME, self.COURSE_ID, mode='credit', enrollment_attributes=enrollment_attributes
)
self.assertEquals('credit', result['mode'])
attributes = api.get_enrollment_attributes(self.USERNAME, self.COURSE_ID)
self.assertEquals(enrollment_attributes[0], attributes[0])
def create_user_enrollment(username, course_id):
mode = CourseMode.HONOR
is_active = True
try:
course_id = CourseKey.from_string(course_id)
except InvalidKeyError:
raise InvalidCourseId()
try:
user = User.objects.get(username=username)
except ObjectDoesNotExist:
raise UserNotFound()
enrollment = api.get_enrollment(username, unicode(course_id))
if enrollment:
raise EnrollmentAlreadyExists()
enrollment = api.add_enrollment(username, unicode(course_id), mode=mode, is_active=is_active)
return enrollment
def get_chatbot_url(data):
"""
Get chatbot url for the course
"""
info = data.split(",")
course_id = info[0]
username = info[1]
if "/courses/course-v1" in course_id and "about" not in course_id and waffle.switch_is_active(
'Chatbot_Switch'):
cid = course_id.split("/courses/")[1].split("/")[0]
course_enrollment = get_enrollment(username, cid)
if not course_enrollment:
return ""
try:
course_chatbot = CourseChatbot.objects.get(course_id=cid)
#res = requests.get(course_chatbot.chatbot_url)
#if str(res.status_code) == "200":
return course_chatbot.chatbot_url
#else:
# return ""
except CourseChatbot.DoesNotExist:
return ""
else:
return ""
def post(self, request):
"""Enrolls the currently logged-in user in a course.
Server-to-server calls may deactivate or modify the mode of existing enrollments. All other requests
go through `add_enrollment()`, which allows creation of new and reactivation of old enrollments.
"""
# Get the User, Course ID, and Mode from the request.
username = request.DATA.get('user', request.user.username)
course_id = request.DATA.get('course_details', {}).get('course_id')
if not course_id:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message":
u"Course ID must be specified to create a new enrollment."
})
try:
course_id = CourseKey.from_string(course_id)
except InvalidKeyError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message":
u"No course '{course_id}' found for enrollment".format(
course_id=course_id)
})
mode = request.DATA.get('mode', CourseMode.HONOR)
has_api_key_permissions = self.has_api_key_permissions(request)
# Check that the user specified is either the same user, or this is a server-to-server request.
if not username:
username = request.user.username
if username != request.user.username and not has_api_key_permissions:
# Return a 404 instead of a 403 (Unauthorized). If one user is looking up
# other users, do not let them deduce the existence of an enrollment.
return Response(status=status.HTTP_404_NOT_FOUND)
if mode != CourseMode.HONOR and not has_api_key_permissions:
return Response(
status=status.HTTP_403_FORBIDDEN,
data={
"message":
u"User does not have permission to create enrollment with mode [{mode}]."
.format(mode=mode)
})
try:
# Lookup the user, instead of using request.user, since request.user may not match the username POSTed.
user = User.objects.get(username=username)
except ObjectDoesNotExist:
return Response(status=status.HTTP_406_NOT_ACCEPTABLE,
data={
'message':
u'The user {} does not exist.'.format(username)
})
embargo_response = embargo_api.get_embargo_response(
request, course_id, user)
if embargo_response:
return embargo_response
try:
is_active = request.DATA.get('is_active')
# Check if the requested activation status is None or a Boolean
if is_active is not None and not isinstance(is_active, bool):
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
'message':
(u"'{value}' is an invalid enrollment activation status."
).format(value=is_active)
})
enrollment_attributes = request.DATA.get('enrollment_attributes')
enrollment = api.get_enrollment(username, unicode(course_id))
mode_changed = enrollment and mode is not None and enrollment[
'mode'] != mode
active_changed = enrollment and is_active is not None and enrollment[
'is_active'] != is_active
missing_attrs = []
if enrollment_attributes:
actual_attrs = [
u"{namespace}:{name}".format(**attr)
for attr in enrollment_attributes
]
missing_attrs = set(REQUIRED_ATTRIBUTES.get(
mode, [])) - set(actual_attrs)
if has_api_key_permissions and (mode_changed or active_changed):
if mode_changed and active_changed and not is_active:
# if the requester wanted to deactivate but specified the wrong mode, fail
# the request (on the assumption that the requester had outdated information
# about the currently active enrollment).
msg = u"Enrollment mode mismatch: active mode={}, requested mode={}. Won't deactivate.".format(
enrollment["mode"], mode)
log.warning(msg)
return Response(status=status.HTTP_400_BAD_REQUEST,
data={"message": msg})
if len(missing_attrs) > 0:
msg = u"Missing enrollment attributes: requested mode={} required attributes={}".format(
mode, REQUIRED_ATTRIBUTES.get(mode))
log.warning(msg)
return Response(status=status.HTTP_400_BAD_REQUEST,
data={"message": msg})
response = api.update_enrollment(
username,
unicode(course_id),
mode=mode,
is_active=is_active,
enrollment_attributes=enrollment_attributes)
else:
# Will reactivate inactive enrollments.
response = api.add_enrollment(username,
unicode(course_id),
mode=mode,
is_active=is_active)
email_opt_in = request.DATA.get('email_opt_in', None)
if email_opt_in is not None:
org = course_id.org
update_email_opt_in(request.user, org, email_opt_in)
return Response(response)
except CourseModeNotFoundError as error:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message":
(u"The course mode '{mode}' is not available for course '{course_id}'."
).format(mode="honor", course_id=course_id),
"course_details":
error.data
})
except CourseNotFoundError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message":
u"No course '{course_id}' found for enrollment".format(
course_id=course_id)
})
except CourseEnrollmentExistsError as error:
return Response(data=error.enrollment)
except CourseEnrollmentError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message":
(u"An error occurred while creating the new course enrollment for user "
u"'{username}' in course '{course_id}'").format(
username=username, course_id=course_id)
})
finally:
# Assumes that the ecommerce service uses an API key to authenticate.
if has_api_key_permissions:
current_enrollment = api.get_enrollment(
username, unicode(course_id))
audit_log('enrollment_change_requested',
course_id=unicode(course_id),
requested_mode=mode,
actual_mode=current_enrollment['mode']
if current_enrollment else None,
requested_activation=is_active,
actual_activation=current_enrollment['is_active']
if current_enrollment else None,
user_id=user.id)
def post(self, request):
"""Enrolls the currently logged-in user in a course.
Server-to-server calls may deactivate or modify the mode of existing enrollments. All other requests
go through `add_enrollment()`, which allows creation of new and reactivation of old enrollments.
"""
# Get the User, Course ID, and Mode from the request.
username = request.data.get('user', request.user.username)
course_id = request.data.get('course_details', {}).get('course_id')
if not course_id:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={"message": u"Course ID must be specified to create a new enrollment."}
)
try:
course_id = CourseKey.from_string(course_id)
except InvalidKeyError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": u"No course '{course_id}' found for enrollment".format(course_id=course_id)
}
)
mode = request.data.get('mode')
has_api_key_permissions = self.has_api_key_permissions(request)
# Check that the user specified is either the same user, or this is a server-to-server request.
if not username:
username = request.user.username
if username != request.user.username and not has_api_key_permissions:
# Return a 404 instead of a 403 (Unauthorized). If one user is looking up
# other users, do not let them deduce the existence of an enrollment.
return Response(status=status.HTTP_404_NOT_FOUND)
try:
# Lookup the user, instead of using request.user, since request.user may not match the username POSTed.
user = User.objects.get(username=username)
except ObjectDoesNotExist:
return Response(
status=status.HTTP_406_NOT_ACCEPTABLE,
data={
'message': u'The user {} does not exist.'.format(username)
}
)
can_vip_enroll = False
if settings.FEATURES.get('ENABLE_MEMBERSHIP_INTEGRATION'):
from membership.models import VIPCourseEnrollment
can_vip_enroll = VIPCourseEnrollment.can_vip_enroll(user, course_id)
is_ecommerce_request = mode not in (CourseMode.AUDIT, CourseMode.HONOR, None)
if is_ecommerce_request and not has_api_key_permissions and not can_vip_enroll:
return Response(
status=status.HTTP_403_FORBIDDEN,
data={
"message": u"User does not have permission to create enrollment with mode [{mode}].".format(
mode=mode
)
}
)
embargo_response = embargo_api.get_embargo_response(request, course_id, user)
if embargo_response:
return embargo_response
try:
is_active = request.data.get('is_active')
# Check if the requested activation status is None or a Boolean
if is_active is not None and not isinstance(is_active, bool):
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
'message': (u"'{value}' is an invalid enrollment activation status.").format(value=is_active)
}
)
explicit_linked_enterprise = request.data.get('linked_enterprise_customer')
if explicit_linked_enterprise and has_api_key_permissions and enterprise_enabled():
enterprise_api_client = EnterpriseApiServiceClient()
consent_client = ConsentApiServiceClient()
try:
enterprise_api_client.post_enterprise_course_enrollment(username, unicode(course_id), None)
except EnterpriseApiException as error:
log.exception("An unexpected error occurred while creating the new EnterpriseCourseEnrollment "
"for user [%s] in course run [%s]", username, course_id)
raise CourseEnrollmentError(text_type(error))
kwargs = {
'username': username,
'course_id': unicode(course_id),
'enterprise_customer_uuid': explicit_linked_enterprise,
}
consent_client.provide_consent(**kwargs)
enrollment_attributes = request.data.get('enrollment_attributes')
enrollment = api.get_enrollment(username, unicode(course_id))
mode_changed = enrollment and mode is not None and enrollment['mode'] != mode
active_changed = enrollment and is_active is not None and enrollment['is_active'] != is_active
missing_attrs = []
audit_with_order = False
if enrollment_attributes:
actual_attrs = [
u"{namespace}:{name}".format(**attr)
for attr in enrollment_attributes
]
missing_attrs = set(REQUIRED_ATTRIBUTES.get(mode, [])) - set(actual_attrs)
audit_with_order = mode == 'audit' and 'order:order_number' in actual_attrs
# Remove audit_with_order when no longer needed - implemented for REV-141
if has_api_key_permissions and (mode_changed or active_changed or audit_with_order):
if mode_changed and active_changed and not is_active:
# if the requester wanted to deactivate but specified the wrong mode, fail
# the request (on the assumption that the requester had outdated information
# about the currently active enrollment).
msg = u"Enrollment mode mismatch: active mode={}, requested mode={}. Won't deactivate.".format(
enrollment["mode"], mode
)
log.warning(msg)
return Response(status=status.HTTP_400_BAD_REQUEST, data={"message": msg})
if len(missing_attrs) > 0:
msg = u"Missing enrollment attributes: requested mode={} required attributes={}".format(
mode, REQUIRED_ATTRIBUTES.get(mode)
)
log.warning(msg)
return Response(status=status.HTTP_400_BAD_REQUEST, data={"message": msg})
response = api.update_enrollment(
username,
unicode(course_id),
mode=mode,
is_active=is_active,
enrollment_attributes=enrollment_attributes,
# If we are updating enrollment by authorized api caller, we should allow expired modes
include_expired=has_api_key_permissions
)
else:
# Will reactivate inactive enrollments.
response = api.add_enrollment(
username,
unicode(course_id),
mode=mode,
is_active=is_active,
enrollment_attributes=enrollment_attributes,
user=user,
is_ecommerce_request=is_ecommerce_request
)
cohort_name = request.data.get('cohort')
if cohort_name is not None:
cohort = get_cohort_by_name(course_id, cohort_name)
add_user_to_cohort(cohort, user)
email_opt_in = request.data.get('email_opt_in', None)
if email_opt_in is not None:
org = course_id.org
update_email_opt_in(request.user, org, email_opt_in)
log.info('The user [%s] has already been enrolled in course run [%s].', username, course_id)
return Response(response)
except CourseModeNotFoundError as error:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": (
u"The [{mode}] course mode is expired or otherwise unavailable for course run [{course_id}]."
).format(mode=mode, course_id=course_id),
"course_details": error.data
})
except CourseNotFoundError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": u"No course '{course_id}' found for enrollment".format(course_id=course_id)
}
)
except CourseEnrollmentExistsError as error:
log.warning('An enrollment already exists for user [%s] in course run [%s].', username, course_id)
return Response(data=error.enrollment)
except CourseEnrollmentError:
log.exception("An error occurred while creating the new course enrollment for user "
"[%s] in course run [%s]", username, course_id)
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": (
u"An error occurred while creating the new course enrollment for user "
u"'{username}' in course '{course_id}'"
).format(username=username, course_id=course_id)
}
)
except CourseUserGroup.DoesNotExist:
log.exception('Missing cohort [%s] in course run [%s]', cohort_name, course_id)
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": "An error occured while adding to cohort [%s]" % cohort_name
})
finally:
# Assumes that the ecommerce service uses an API key to authenticate.
if has_api_key_permissions:
current_enrollment = api.get_enrollment(username, unicode(course_id))
audit_log(
'enrollment_change_requested',
course_id=unicode(course_id),
requested_mode=mode,
actual_mode=current_enrollment['mode'] if current_enrollment else None,
requested_activation=is_active,
actual_activation=current_enrollment['is_active'] if current_enrollment else None,
user_id=user.id
)
def post(self, request):
"""
Enrolls the currently logged in user in a course.
"""
# Get the User, Course ID, and Mode from the request.
user = request.DATA.get('user', request.user.username)
if 'course_details' not in request.DATA or 'course_id' not in request.DATA[
'course_details']:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message":
u"Course ID must be specified to create a new enrollment."
})
course_id = request.DATA['course_details']['course_id']
try:
course_id = CourseKey.from_string(course_id)
except InvalidKeyError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message":
u"No course '{course_id}' found for enrollment".format(
course_id=course_id)
})
mode = request.DATA.get('mode', CourseMode.HONOR)
has_api_key_permissions = self.has_api_key_permissions(request)
# Check that the user specified is either the same user, or this is a server-to-server request.
if not user:
user = request.user.username
if user != request.user.username and not has_api_key_permissions:
# Return a 404 instead of a 403 (Unauthorized). If one user is looking up
# other users, do not let them deduce the existence of an enrollment.
return Response(status=status.HTTP_404_NOT_FOUND)
if mode != CourseMode.HONOR and not has_api_key_permissions:
return Response(
status=status.HTTP_403_FORBIDDEN,
data={
"message":
u"User does not have permission to create enrollment with mode [{mode}]."
.format(mode=mode)
})
# Check whether any country access rules block the user from enrollment
# We do this at the view level (rather than the Python API level)
# because this check requires information about the HTTP request.
redirect_url = embargo_api.redirect_if_blocked(
course_id, user=user, ip_address=get_ip(request), url=request.path)
if redirect_url:
return Response(
status=status.HTTP_403_FORBIDDEN,
data={
"message":
(u"Users from this location cannot access the course '{course_id}'."
).format(course_id=course_id),
"user_message_url":
redirect_url
})
try:
# Check if the user is currently enrolled, and if it is the same as the current enrolled mode. We do not
# have to check if it is inactive or not, because if it is, we are still upgrading if the mode is different,
# and either path will re-activate the enrollment.
#
# Only server-to-server calls will currently be allowed to modify the mode for existing enrollments. All
# other requests will go through add_enrollment(), which will allow creating of new enrollments, and
# re-activating enrollments
enrollment = api.get_enrollment(user, unicode(course_id))
if has_api_key_permissions and enrollment and enrollment[
'mode'] != mode:
response = api.update_enrollment(user,
unicode(course_id),
mode=mode)
else:
response = api.add_enrollment(user,
unicode(course_id),
mode=mode)
email_opt_in = request.DATA.get('email_opt_in', None)
if email_opt_in is not None:
org = course_id.org
update_email_opt_in(request.user, org, email_opt_in)
return Response(response)
except CourseModeNotFoundError as error:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message":
(u"The course mode '{mode}' is not available for course '{course_id}'."
).format(mode="honor", course_id=course_id),
"course_details":
error.data
})
except CourseNotFoundError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message":
u"No course '{course_id}' found for enrollment".format(
course_id=course_id)
})
except CourseEnrollmentExistsError as error:
return Response(data=error.enrollment)
except CourseEnrollmentError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message":
(u"An error occurred while creating the new course enrollment for user "
u"'{user}' in course '{course_id}'").format(
user=user, course_id=course_id)
})
def post(self, request):
"""
Enrolls the list of users in a verified course mode.
"""
# Get the users, Course ID, and Mode from the request.
users = request.DATA.get('users', [])
if len(users) == 0:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={"message": u"Users must be specified to create a new enrollment."}
)
course_id = request.DATA.get('course_details', {}).get('course_id')
if not course_id:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={"message": u"Course ID must be specified to create a new enrollment."}
)
try:
course_id = CourseKey.from_string(course_id)
except InvalidKeyError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": u"No course '{course_id}' found for enrollment".format(course_id=course_id)
}
)
# use verified course mode by default
mode = request.DATA.get('mode', CourseMode.VERIFIED)
bad_users = []
list_users = []
for username in users:
try:
user = User.objects.get(username=username)
list_users.append(user)
except ObjectDoesNotExist:
bad_users.append(username)
if len(bad_users) > 0:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={'message': u'Users: {} does not exist.'.format(', '.join(bad_users))}
)
for user in list_users:
embargo_response = embargo_api.get_embargo_response(request, course_id, user)
if embargo_response:
return embargo_response
current_username = None
try:
is_active = request.DATA.get('is_active')
# Check if the requested activation status is None or a Boolean
if is_active is not None and not isinstance(is_active, bool):
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
'message': (u"'{value}' is an invalid enrollment activation status.").format(value=is_active)
}
)
enrollment_attributes = request.DATA.get('enrollment_attributes')
errors = False
already_paid = [] # list of users with verified enrollment
not_enrolled = [] # list of not enrolled yet or unenrolled users
for username in users:
current_username = username
enrollment = api.get_enrollment(username, unicode(course_id))
if not enrollment:
not_enrolled.append(username)
elif enrollment['is_active'] is not True:
not_enrolled.append(username)
elif enrollment['mode'] == CourseMode.VERIFIED:
already_paid.append(username)
msg_paid = u""
msg_not_enrolled = u""
if len(already_paid) > 0:
msg_paid = u'Users: {} already paid for course.'.format(', '.join(already_paid))
errors = True
if len(not_enrolled) > 0:
msg_not_enrolled = u'Users: {} not enrolled for course.'.format(', '.join(not_enrolled))
errors = True
if errors:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={"message": (u"'{course_id}'\n:{msg_paid}\n{msg_not_enrolled}").format(
course_id=course_id,
msg_paid=msg_paid,
msg_not_enrolled=msg_not_enrolled
),
})
for username in users:
current_username = username
response = api.update_enrollment(username, unicode(course_id), mode=mode, is_active=is_active)
email_opt_in = request.DATA.get('email_opt_in', None)
if email_opt_in is not None:
org = course_id.org
for username in users:
update_email_opt_in(username, org, email_opt_in)
return Response(
status=status.HTTP_200_OK,
data={
"message": u"Success for course '{course_id}'.".format(course_id=course_id)
})
except CourseModeNotFoundError as error:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": (
u"The course mode '{mode}' is not available for course '{course_id}'."
).format(mode="verified", course_id=course_id),
"course_details": error.data
})
except CourseNotFoundError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": u"No course '{course_id}' found for enrollment".format(course_id=course_id)
}
)
except CourseEnrollmentExistsError as error:
return Response(data=error.enrollment)
except CourseEnrollmentError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": (
u"An error occurred while creating the new course enrollment for user "
u"'{username}' in course '{course_id}'"
).format(username=current_username, course_id=course_id)
}
)
def post(self, request):
"""
Enrolls the list of users in a verified course mode.
"""
# Get the users, Course ID, and Mode from the request.
users = request.data.get('users', [])
if len(users) == 0:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={"message": u"Users must be specified to create a new enrollment."}
)
course_id = request.data.get('course_details', {}).get('course_id')
if not course_id:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={"message": u"Course ID must be specified to create a new enrollment."}
)
try:
course_key = CourseKey.from_string(course_id)
except InvalidKeyError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={"message": u"No course '{course_id}' found for enrollment".format(course_id=course_id)}
)
# use verified course mode by default
mode = request.data.get('mode', CourseMode.VERIFIED)
bad_users = []
list_users = []
for username in users:
try:
user = User.objects.get(username=username)
list_users.append(user)
except ObjectDoesNotExist:
bad_users.append(username)
if len(bad_users) > 0:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={'message': u'Users: {} does not exist.'.format(', '.join(bad_users))}
)
for user in list_users:
embargo_response = embargo_api.get_embargo_response(request, course_key, user)
if embargo_response:
return embargo_response
current_username = None
try:
is_active = request.data.get('is_active')
# Check if the requested activation status is None or a Boolean
if is_active is not None and not isinstance(is_active, bool):
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={'message': u"'{value}' is an invalid enrollment activation status.".format(value=is_active)}
)
enrollment_attributes = request.data.get('enrollment_attributes')
errors = False
already_paid = [] # list of users with verified enrollment
not_enrolled = [] # list of not enrolled yet or unenrolled users
for username in users:
current_username = username
enrollment = api.get_enrollment(username, unicode(course_key))
if not enrollment:
not_enrolled.append(username)
elif enrollment['is_active'] is not True:
not_enrolled.append(username)
elif enrollment['mode'] == CourseMode.VERIFIED:
already_paid.append(username)
msg_paid = u""
msg_not_enrolled = u""
if len(already_paid) > 0:
msg_paid = u'Users: {} already paid for course.'.format(', '.join(already_paid))
errors = True
if len(not_enrolled) > 0:
msg_not_enrolled = u'Users: {} not enrolled for course.'.format(', '.join(not_enrolled))
errors = True
if errors:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={"message": (u"'{course_id}'\n:{msg_paid}\n{msg_not_enrolled}").format(
course_id=course_id,
msg_paid=msg_paid,
msg_not_enrolled=msg_not_enrolled
),
})
# update for cohorts
cohort_exists = is_cohort_exists(course_key, VERIFIED)
if not cohort_exists:
cohort = add_cohort(course_key, VERIFIED, 'manual')
else:
cohort = get_cohort_by_name(course_key, VERIFIED)
for username in users:
current_username = username
api.update_enrollment(username, unicode(course_key), mode=mode, is_active=is_active)
user = User.objects.get(username=username)
course_cohorts = CourseUserGroup.objects.filter(
course_id=cohort.course_id,
users__id=user.id,
group_type=CourseUserGroup.COHORT
)
add_user_into_verified_cohort(course_cohorts, cohort, user)
email_opt_in = request.data.get('email_opt_in', None)
if email_opt_in is not None:
org = course_key.org
for username in users:
update_email_opt_in(username, org, email_opt_in)
return Response(
status=status.HTTP_200_OK,
data={
"message": u"Success for course '{course_id}'.".format(course_id=course_id)
})
except CourseModeNotFoundError as error:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": (
u"The course mode '{mode}' is not available for course '{course_id}'."
).format(mode="verified", course_id=course_id),
"course_details": error.data
})
except CourseEnrollmentExistsError as error:
return Response(data=error.enrollment)
except CourseEnrollmentError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": (
u"An error occurred while creating the new course enrollment for user "
u"'{username}' in course '{course_id}'"
).format(username=current_username, course_id=course_id)
}
)
def post(self, request):
"""Enrolls the currently logged-in user in a course.
Server-to-server calls may deactivate or modify the mode of existing enrollments. All other requests
go through `add_enrollment()`, which allows creation of new and reactivation of old enrollments.
"""
# Get the User, Course ID, and Mode from the request.
username = request.DATA.get('user', request.user.username)
course_id = request.DATA.get('course_details', {}).get('course_id')
if not course_id:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message":
u"Course ID must be specified to create a new enrollment."
})
try:
course_id = CourseKey.from_string(course_id)
except InvalidKeyError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message":
u"No course '{course_id}' found for enrollment".format(
course_id=course_id)
})
mode = request.DATA.get('mode', CourseMode.HONOR)
has_api_key_permissions = self.has_api_key_permissions(request)
# Check that the user specified is either the same user, or this is a server-to-server request.
if not username:
username = request.user.username
if username != request.user.username and not has_api_key_permissions:
# Return a 404 instead of a 403 (Unauthorized). If one user is looking up
# other users, do not let them deduce the existence of an enrollment.
return Response(status=status.HTTP_404_NOT_FOUND)
if mode != CourseMode.HONOR and not has_api_key_permissions:
return Response(
status=status.HTTP_403_FORBIDDEN,
data={
"message":
u"User does not have permission to create enrollment with mode [{mode}]."
.format(mode=mode)
})
try:
# Lookup the user, instead of using request.user, since request.user may not match the username POSTed.
user = User.objects.get(username=username)
except ObjectDoesNotExist:
return Response(status=status.HTTP_406_NOT_ACCEPTABLE,
data={
'message':
u'The user {} does not exist.'.format(username)
})
# Check whether any country access rules block the user from enrollment
# We do this at the view level (rather than the Python API level)
# because this check requires information about the HTTP request.
redirect_url = embargo_api.redirect_if_blocked(
course_id, user=user, ip_address=get_ip(request), url=request.path)
if redirect_url:
return Response(
status=status.HTTP_403_FORBIDDEN,
data={
"message":
(u"Users from this location cannot access the course '{course_id}'."
).format(course_id=course_id),
"user_message_url":
request.build_absolute_uri(redirect_url)
})
try:
is_active = request.DATA.get('is_active')
# Check if the requested activation status is None or a Boolean
if is_active is not None and not isinstance(is_active, bool):
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
'message':
(u"'{value}' is an invalid enrollment activation status."
).format(value=is_active)
})
enrollment = api.get_enrollment(username, unicode(course_id))
if has_api_key_permissions and enrollment and enrollment[
'mode'] != mode:
response = api.update_enrollment(username,
unicode(course_id),
mode=mode,
is_active=is_active)
else:
# Will reactivate inactive enrollments.
response = api.add_enrollment(username,
unicode(course_id),
mode=mode)
email_opt_in = request.DATA.get('email_opt_in', None)
if email_opt_in is not None:
org = course_id.org
update_email_opt_in(request.user, org, email_opt_in)
return Response(response)
except CourseModeNotFoundError as error:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message":
(u"The course mode '{mode}' is not available for course '{course_id}'."
).format(mode="honor", course_id=course_id),
"course_details":
error.data
})
except CourseNotFoundError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message":
u"No course '{course_id}' found for enrollment".format(
course_id=course_id)
})
except CourseEnrollmentExistsError as error:
return Response(data=error.enrollment)
except CourseEnrollmentError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message":
(u"An error occurred while creating the new course enrollment for user "
u"'{username}' in course '{course_id}'").format(
username=username, course_id=course_id)
})
def post(self, request):
"""Enrolls the currently logged-in user in a course.
Server-to-server calls may deactivate or modify the mode of existing enrollments. All other requests
go through `add_enrollment()`, which allows creation of new and reactivation of old enrollments.
"""
# Get the User, Course ID, and Mode from the request.
username = request.data.get('user', request.user.username)
course_id = request.data.get('course_details', {}).get('course_id')
if not course_id:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={"message": u"Course ID must be specified to create a new enrollment."}
)
try:
course_id = CourseKey.from_string(course_id)
except InvalidKeyError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": u"No course '{course_id}' found for enrollment".format(course_id=course_id)
}
)
mode = request.data.get('mode')
has_api_key_permissions = self.has_api_key_permissions(request)
# Check that the user specified is either the same user, or this is a server-to-server request.
if not username:
username = request.user.username
if username != request.user.username and not has_api_key_permissions:
# Return a 404 instead of a 403 (Unauthorized). If one user is looking up
# other users, do not let them deduce the existence of an enrollment.
return Response(status=status.HTTP_404_NOT_FOUND)
if mode not in (CourseMode.AUDIT, CourseMode.HONOR, None) and not has_api_key_permissions:
return Response(
status=status.HTTP_403_FORBIDDEN,
data={
"message": u"User does not have permission to create enrollment with mode [{mode}].".format(
mode=mode
)
}
)
try:
# Lookup the user, instead of using request.user, since request.user may not match the username POSTed.
user = User.objects.get(username=username)
except ObjectDoesNotExist:
return Response(
status=status.HTTP_406_NOT_ACCEPTABLE,
data={
'message': u'The user {} does not exist.'.format(username)
}
)
embargo_response = embargo_api.get_embargo_response(request, course_id, user)
if embargo_response:
return embargo_response
try:
is_active = request.data.get('is_active')
# Check if the requested activation status is None or a Boolean
if is_active is not None and not isinstance(is_active, bool):
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
'message': (u"'{value}' is an invalid enrollment activation status.").format(value=is_active)
}
)
enrollment_attributes = request.data.get('enrollment_attributes')
enrollment = api.get_enrollment(username, unicode(course_id))
mode_changed = enrollment and mode is not None and enrollment['mode'] != mode
active_changed = enrollment and is_active is not None and enrollment['is_active'] != is_active
missing_attrs = []
if enrollment_attributes:
actual_attrs = [
u"{namespace}:{name}".format(**attr)
for attr in enrollment_attributes
]
missing_attrs = set(REQUIRED_ATTRIBUTES.get(mode, [])) - set(actual_attrs)
if has_api_key_permissions and (mode_changed or active_changed):
if mode_changed and active_changed and not is_active:
# if the requester wanted to deactivate but specified the wrong mode, fail
# the request (on the assumption that the requester had outdated information
# about the currently active enrollment).
msg = u"Enrollment mode mismatch: active mode={}, requested mode={}. Won't deactivate.".format(
enrollment["mode"], mode
)
log.warning(msg)
return Response(status=status.HTTP_400_BAD_REQUEST, data={"message": msg})
if len(missing_attrs) > 0:
msg = u"Missing enrollment attributes: requested mode={} required attributes={}".format(
mode, REQUIRED_ATTRIBUTES.get(mode)
)
log.warning(msg)
return Response(status=status.HTTP_400_BAD_REQUEST, data={"message": msg})
response = api.update_enrollment(
username,
unicode(course_id),
mode=mode,
is_active=is_active,
enrollment_attributes=enrollment_attributes
)
else:
# Will reactivate inactive enrollments.
response = api.add_enrollment(username, unicode(course_id), mode=mode, is_active=is_active)
email_opt_in = request.data.get('email_opt_in', None)
if email_opt_in is not None:
org = course_id.org
update_email_opt_in(request.user, org, email_opt_in)
log.info('The user [%s] has already been enrolled in course run [%s].', username, course_id)
return Response(response)
except CourseModeNotFoundError as error:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": (
u"The [{mode}] course mode is expired or otherwise unavailable for course run [{course_id}]."
).format(mode=mode, course_id=course_id),
"course_details": error.data
})
except CourseNotFoundError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": u"No course '{course_id}' found for enrollment".format(course_id=course_id)
}
)
except CourseEnrollmentExistsError as error:
log.warning('An enrollment already exists for user [%s] in course run [%s].', username, course_id)
return Response(data=error.enrollment)
except CourseEnrollmentError:
log.exception("An error occurred while creating the new course enrollment for user "
"[%s] in course run [%s]", username, course_id)
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": (
u"An error occurred while creating the new course enrollment for user "
u"'{username}' in course '{course_id}'"
).format(username=username, course_id=course_id)
}
)
finally:
# Assumes that the ecommerce service uses an API key to authenticate.
if has_api_key_permissions:
current_enrollment = api.get_enrollment(username, unicode(course_id))
audit_log(
'enrollment_change_requested',
course_id=unicode(course_id),
requested_mode=mode,
actual_mode=current_enrollment['mode'] if current_enrollment else None,
requested_activation=is_active,
actual_activation=current_enrollment['is_active'] if current_enrollment else None,
user_id=user.id
)
def post(self, request):
"""
Enrolls the currently logged in user in a course.
"""
# Get the User, Course ID, and Mode from the request.
username = request.DATA.get('user', request.user.username)
course_id = request.DATA.get('course_details', {}).get('course_id')
if not course_id:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={"message": u"Course ID must be specified to create a new enrollment."}
)
try:
course_id = CourseKey.from_string(course_id)
except InvalidKeyError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": u"No course '{course_id}' found for enrollment".format(course_id=course_id)
}
)
mode = request.DATA.get('mode', CourseMode.HONOR)
has_api_key_permissions = self.has_api_key_permissions(request)
# Check that the user specified is either the same user, or this is a server-to-server request.
if not username:
username = request.user.username
if username != request.user.username and not has_api_key_permissions:
# Return a 404 instead of a 403 (Unauthorized). If one user is looking up
# other users, do not let them deduce the existence of an enrollment.
return Response(status=status.HTTP_404_NOT_FOUND)
if mode != CourseMode.HONOR and not has_api_key_permissions:
return Response(
status=status.HTTP_403_FORBIDDEN,
data={
"message": u"User does not have permission to create enrollment with mode [{mode}].".format(
mode=mode
)
}
)
try:
# Lookup the user, instead of using request.user, since request.user may not match the username POSTed.
user = User.objects.get(username=username)
except ObjectDoesNotExist:
return Response(
status=status.HTTP_406_NOT_ACCEPTABLE,
data={
'message': u'The user {} does not exist.'.format(username)
}
)
# Check whether any country access rules block the user from enrollment
# We do this at the view level (rather than the Python API level)
# because this check requires information about the HTTP request.
redirect_url = embargo_api.redirect_if_blocked(
course_id, user=user, ip_address=get_ip(request), url=request.path)
if redirect_url:
return Response(
status=status.HTTP_403_FORBIDDEN,
data={
"message": (
u"Users from this location cannot access the course '{course_id}'."
).format(course_id=course_id),
"user_message_url": request.build_absolute_uri(redirect_url)
}
)
try:
# Check if the user is currently enrolled, and if it is the same as the current enrolled mode. We do not
# have to check if it is inactive or not, because if it is, we are still upgrading if the mode is different,
# and either path will re-activate the enrollment.
#
# Only server-to-server calls will currently be allowed to modify the mode for existing enrollments. All
# other requests will go through add_enrollment(), which will allow creating of new enrollments, and
# re-activating enrollments
enrollment = api.get_enrollment(username, unicode(course_id))
if has_api_key_permissions and enrollment and enrollment['mode'] != mode:
response = api.update_enrollment(username, unicode(course_id), mode=mode)
else:
response = api.add_enrollment(username, unicode(course_id), mode=mode)
email_opt_in = request.DATA.get('email_opt_in', None)
if email_opt_in is not None:
org = course_id.org
update_email_opt_in(request.user, org, email_opt_in)
return Response(response)
except CourseModeNotFoundError as error:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": (
u"The course mode '{mode}' is not available for course '{course_id}'."
).format(mode="honor", course_id=course_id),
"course_details": error.data
})
except CourseNotFoundError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": u"No course '{course_id}' found for enrollment".format(course_id=course_id)
}
)
except CourseEnrollmentExistsError as error:
return Response(data=error.enrollment)
except CourseEnrollmentError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": (
u"An error occurred while creating the new course enrollment for user "
u"'{username}' in course '{course_id}'"
).format(username=username, course_id=course_id)
}
)
def post(self, request):
"""Enrolls the currently logged-in user in a course.
Server-to-server calls may deactivate or modify the mode of existing enrollments. All other requests
go through `add_enrollment()`, which allows creation of new and reactivation of old enrollments.
"""
# Get the User, Course ID, and Mode from the request.
username = request.DATA.get('user', request.user.username)
course_id = request.DATA.get('course_details', {}).get('course_id')
if not course_id:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={"message": u"Course ID must be specified to create a new enrollment."}
)
try:
course_id = CourseKey.from_string(course_id)
except InvalidKeyError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": u"No course '{course_id}' found for enrollment".format(course_id=course_id)
}
)
mode = request.DATA.get('mode', CourseMode.HONOR)
has_api_key_permissions = self.has_api_key_permissions(request)
# Check that the user specified is either the same user, or this is a server-to-server request.
if not username:
username = request.user.username
if username != request.user.username and not has_api_key_permissions:
# Return a 404 instead of a 403 (Unauthorized). If one user is looking up
# other users, do not let them deduce the existence of an enrollment.
return Response(status=status.HTTP_404_NOT_FOUND)
if mode != CourseMode.HONOR and not has_api_key_permissions:
return Response(
status=status.HTTP_403_FORBIDDEN,
data={
"message": u"User does not have permission to create enrollment with mode [{mode}].".format(
mode=mode
)
}
)
try:
# Lookup the user, instead of using request.user, since request.user may not match the username POSTed.
user = User.objects.get(username=username)
except ObjectDoesNotExist:
return Response(
status=status.HTTP_406_NOT_ACCEPTABLE,
data={
'message': u'The user {} does not exist.'.format(username)
}
)
embargo_response = embargo_api.get_embargo_response(request, course_id, user)
if embargo_response:
return embargo_response
try:
is_active = request.DATA.get('is_active')
# Check if the requested activation status is None or a Boolean
if is_active is not None and not isinstance(is_active, bool):
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
'message': (u"'{value}' is an invalid enrollment activation status.").format(value=is_active)
}
)
enrollment = api.get_enrollment(username, unicode(course_id))
mode_changed = enrollment and mode is not None and enrollment['mode'] != mode
active_changed = enrollment and is_active is not None and enrollment['is_active'] != is_active
if has_api_key_permissions and (mode_changed or active_changed):
if mode_changed and active_changed and not is_active:
# if the requester wanted to deactivate but specified the wrong mode, fail
# the request (on the assumption that the requester had outdated information
# about the currently active enrollment).
msg = u"Enrollment mode mismatch: active mode={}, requested mode={}. Won't deactivate.".format(
enrollment["mode"], mode
)
log.warning(msg)
return Response(status=status.HTTP_400_BAD_REQUEST, data={"message": msg})
response = api.update_enrollment(username, unicode(course_id), mode=mode, is_active=is_active)
else:
# Will reactivate inactive enrollments.
response = api.add_enrollment(username, unicode(course_id), mode=mode, is_active=is_active)
email_opt_in = request.DATA.get('email_opt_in', None)
if email_opt_in is not None:
org = course_id.org
update_email_opt_in(request.user, org, email_opt_in)
return Response(response)
except CourseModeNotFoundError as error:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": (
u"The course mode '{mode}' is not available for course '{course_id}'."
).format(mode="honor", course_id=course_id),
"course_details": error.data
})
except CourseNotFoundError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": u"No course '{course_id}' found for enrollment".format(course_id=course_id)
}
)
except CourseEnrollmentExistsError as error:
return Response(data=error.enrollment)
except CourseEnrollmentError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message": (
u"An error occurred while creating the new course enrollment for user "
u"'{username}' in course '{course_id}'"
).format(username=username, course_id=course_id)
}
)
def post(self, request, *args, **kwargs):
"""
POST /api/itoo_api/v0/paid_courses/
{
"user": "******"
"mode": "verified",
"course_id": "edX/DemoX/Demo_Course",
}
"""
serializer = ChangeModeStateUserSerializer(data=request.DATA)
serializer.is_valid()
data = serializer.validated_data
username = data.get('user')
course_key = data.get('course_key')
mode = data.get('mode')
if not course_key:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message":
u"Course ID must be specified to create a new enrollment."
})
try:
course_key = CourseKey.from_string(course_key)
except InvalidKeyError:
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
"message":
u"No course '{course_key}' found for enrollment".format(
course_key=course_key)
})
try:
# Lookup the user, instead of using request.user, since request.user may not match the username POSTed.
user = User.objects.get(username=username)
except ObjectDoesNotExist:
return Response(status=status.HTTP_406_NOT_ACCEPTABLE,
data={
'message':
u'The user {} does not exist.'.format(username)
})
try:
is_active = data.get('is_active')
# Check if the requested activation status is None or a Boolean
if is_active is not None and not isinstance(is_active, bool):
return Response(
status=status.HTTP_400_BAD_REQUEST,
data={
'message':
(u"'{value}' is an invalid enrollment activation status."
).format(value=is_active)
})
except:
pass
enrollment = api.get_enrollment(username, unicode(course_key))
mode_changed = enrollment and mode is not None and enrollment[
'mode'] != mode
active_changed = enrollment and is_active is not None and enrollment[
'is_active'] != is_active
if (mode_changed or active_changed):
if mode_changed and active_changed and not is_active:
# if the requester wanted to deactivate but specified the wrong mode, fail
# the request (on the assumption that the requester had outdated information
# about the currently active enrollment).
msg = u"Enrollment mode mismatch: active mode={}, requested mode={}. Won't deactivate.".format(
enrollment["mode"], mode)
logger.warning(msg)
return Response(status=status.HTTP_400_BAD_REQUEST,
data={"message": msg})
response = api.update_enrollment(username,
unicode(course_key),
mode=mode,
is_active=is_active)
else:
# Will reactivate inactive enrollments.
response = api.add_enrollment(username,
unicode(course_key),
mode=mode,
is_active=is_active)
return Response(response)
